<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatarbox">
                 <img src="../assets/logo.png" alt="">
            </div>

        <el-form ref='loginFormRef' class="login_form" :model="loginForm" :rules='loginFormRules'>
            <el-form-item prop='username'>
                <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
            </el-form-item>
            <el-form-item prop='password'>
                <el-input prefix-icon="iconfont icon-3702mima"  v-model="loginForm.password" type='password'></el-input>
            </el-form-item>
            <el-form-item class="btns">
                <el-button type="primary" @click="login">登录</el-button>
                <el-button type="info" @click='resetLoginForm'>重置</el-button>
            </el-form-item>
        </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data() {
        return {
            loginForm:{
                username:'admin',
                password:'123456'
            },
            loginFormRules:{
                username:[ { required: true, message: '请输入登录名称', trigger: 'blur' },
                           { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
                password:[ { required: true, message: '请输入密码', trigger: 'blur' },
                           { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }]
            }
        }
    },
    methods: {
        resetLoginForm(){
            // 
            this.$refs.loginFormRef.resetFields();
        },
        login(){
            this.$refs.loginFormRef.validate(async valid =>{
                if(!valid){
                    return
                }

                // 发起登录请求
                const {data:res} = await this.$http.post("login",this.loginForm)
                if(res.meta.status !== 200){
                    return this.$message.error('登录失败')
                }

                window.sessionStorage.setItem("token",res.data.token);
                this.$router.push('/home')


            })
        }
    }
}
</script>

<style lang="less" scoped>
 .login_container{
     background-color: #2b4b6b;
     height: 100%;
 }

 .login_box{
     width: 450px;
     height: 300px;
     background-color: #fff;
     border-radius: 3px;
     position: absolute;
     left: 50%;
     top: 50%;
     transform: translate(-50%,-50%);
 }

 .avatarbox{
     height: 130px;
     width: 130px;
     border: 1px solid #eee;
     border-radius: 50%;
     box-shadow: 0 0 10px #ddd;
     position: absolute;
     left: 50%;
     transform: translate(-50%,-50%);
     background-color: #fff;
     img{
     height: 100%;
     width:100%;
     border-radius: 50%;
     background-color: #eee;
     }
 }
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
 .btns{
     display: flex;
     justify-content: flex-end;
 }
</style>